<template>
	<div class="app-container">
		<!--顶部 Header区域-->
		<mt-header fixed title="黑马程序员.Vue项目">
			<span  slot="left" @click="goBack" v-show="flag">
				<mt-button icon="back">返回</mt-button>
			</span>
		</mt-header>
		<!--中间的 路由 router-view 区域-->
		<transition>
			<router-view></router-view>
		</transition>
		<!--底部 Tabbar区域-->
		<nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-llb" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart">
					<span class="mui-badge" id="badge">{{$store.getters.getAllCount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
	</div>
</template>

<script>
export default {
	data(){
		return{
			flag:false
		}
	},
	created(){
		this.flag = this.$route.path == '/home' ? false : true
	},
	methods:{
		goBack(){
			//点击后退
			this.$router.go(-1)
		}
	},
	watch:{
		'$route.path':function(newVal){
			if(newVal == '/home'){
				this.flag = false
			} else {
				this.flag = true
			}
		}
	}
}
</script>

<style lang="scss" scoped>
.mint-header{
	z-index:99;
}
.app-container{
	padding-top:40px;
	padding-bottom:50px;
	overflow-x: hidden;
}
.v-enter{
	opacity: 0;
	transform: translateX(100%);
}
.v-leave-to{
	opacity: 0;
	transform: translateX(-100%);
	position: absolute;
}
.v-enter-active,
.v-leave-active{
	transition: all 0.5s ease;
}
//改类名
.mui-bar-tab .mui-tab-item-llb.mui-active {
    color: #007aff;
}
.mui-bar-tab .mui-tab-item-llb .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-llb {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item-llb .mui-icon ~ .mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}

</style>
